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Credit Risk Frontiers: Subprime Crisis, Pricing and Hedging, CVA, MBS, Ratings, and Liquidity
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Credit Risk Frontiers: Subprime Crisis, Pricing and Hedging, CVA, MBS, Ratings, and Liquidity

by Tomasz R. Bielecki, Damiano Brigo, Frédéric Patras
February 2011
Intermediate to advanced content levelIntermediate to advanced
768 pages
22h 39m
English
Bloomberg Press
Content preview from Credit Risk Frontiers: Subprime Crisis, Pricing and Hedging, CVA, MBS, Ratings, and Liquidity

Chapter 4

A Simple Dynamic Model for Pricing and Hedging Heterogeneous CDOs

Andrei V. Lopatin

Numerix LLC

We present a simple bottom-up dynamic credit model that can be calibrated simultaneously to the market quotes on collateralized debt obligation (CDO) tranches and individual credit default swaps (CDSs) constituting the credit portfolio. The model is most suitable for the purpose of evaluating the hedge ratios of CDO tranches with respect to the underlying credit names. Default intensities of individual assets are modeled as deterministic functions of time and the total number of defaults accumulated in the portfolio. To overcome numerical difficulties, we suggest a semianalytic approximation that is justified by the large number of portfolio ...

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Publisher Resources

ISBN: 9781118003831Purchase book